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Aquarium breach · ministral-8b-2512

Output saved · Stopped by an API error Cost / run $0.0107 Runtime 230.3s

A model request failed and its retries ran out. The output is the HTML saved before that.

Prompt for this run

Build an interactive 2D aquarium-breach simulation on a canvas. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Initially show an intact glass tank containing water, fish, rocks, plants, and a floating toy. Let the user drag a visible crack vertically on one side below the initial waterline, then press Breach. Provide Reset to restore the same initial scene. - On Breach, show the panel breaking around the selected opening. Water exits in a gravity-curved jet, and the waterline falls continuously. Outflow weakens as the water level approaches the opening and stops when water no longer reaches it. - Escaped water forms a spreading puddle constrained by the floor and room walls. - Model distinct responses to buoyancy, drag, and current: rocks sink, the toy floats, plants bend or drift, and fish initially swim against the current before some are swept through the breach. Movable objects that fit the opening can be carried out by the flow. - Objects leaving the water transition to gravity-driven motion and collide with the floor. Glass fragments rotate, collide, and experience resistance in water. - Simplified, internally consistent physics is sufficient; a full computational-fluid-dynamics solver is not required. Verify: Position the crack, trigger a breach, and sample the early outflow. Check that the jet curves downward, the waterline begins to fall, and nearby objects respond to the current. Use Reset and check that the tank returns to its intact initial state.

⛨ sandboxed Open in new tab ↗

TAKE IT TO CODE

A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.

RUN

modelministral-8b-2512
vendorMistral AI
harnesspi 0.87.1 · browser iteration
generated2026-10-07

METRICS

runtime230.3s
tokens in440k
tokens out11k
cached422k
cost / run$0.0107
Transcript · 59 messages
system

user

Build an interactive 2D aquarium-breach simulation on a canvas. Use HTML, CSS, and JavaScript as needed. Write it to `index.html` in the current working directory using your file tools. Inline your own CSS and JavaScript. Do not use external assets, CDNs, or network requests. No third-party libraries are provided. Required behavior: - Initially show an intact glass tank containing water, fish, rocks, plants, and a floating toy. Let the user drag a visible crack vertically on one side below the initial waterline, then press Breach. Provide Reset to restore the same initial scene. - On Breach, show the panel breaking around the selected opening. Water exits in a gravity-curved jet, and the waterline falls continuously. Outflow weakens as the water level approaches the opening and stops when water no longer reaches it. - Escaped water forms a spreading puddle constrained by the floor and room walls. - Model distinct responses to buoyancy, drag, and current: rocks sink, the toy floats, plants bend or drift, and fish initially swim against the current before some are swept through the breach. Movable objects that fit the opening can be carried out by the flow. - Objects leaving the water transition to gravity-driven motion and collide with the floor. Glass fragments rotate, collide, and experience resistance in water. - Simplified, internally consistent physics is sufficient; a full computational-fluid-dynamics solver is not required. Verify: Position the crack, trigger a breach, and sample the early outflow. Check that the jet curves downward, the waterline begins to fall, and nearby objects respond to the current. Use Reset and check that the tank returns to its intact initial state.

assistant
→ write index.html (19601 bytes)
toolResult

Successfully wrote to index.html

assistant
→ browser {"action":"inspect"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.","error: Unexpected token 'if'"],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The initial inspection shows the app is rendering correctly, but there is a syntax error in the console (`Unexpected token 'if'`). This is likely due to an issue in the JavaScript code related to object updates and logic. Let's fix the syntax error and ensure the simulation works as intended. I'll correct the problematic part in the code and reload the page.

→ edit {"path":"index.html","edits":[{"oldText":" // Apply water flow to objects\n simulation.objects.forEach
toolResult

Could not find the exact text in index.html. The old text must match exactly including all whitespace and newlines.

assistant
→ edit {"path":"index.html","edits":[{"oldText":" // Apply water flow to objects\n simulation.objects.forEach
toolResult

Could not find the exact text in index.html. The old text must match exactly including all whitespace and newlines.

assistant
→ read {"path":"index.html","offset":400,"limit":100}
toolResult

ctx.restore(); }); } function drawWaterFlow() { if (!simulation.breachActive || simulation.waterLevel >= simulation.crackPosition - 10) return; // Draw water jet const jetStartX = simulation.crackPosition; const jetStartY = simulation.waterLevel + 10; const jetEndY = Math.min(simulation.floorLevel, jetStartY + 100); ctx.strokeStyle = `rgba(100, 150, 255, 0.7)`; ctx.lineWidth = 15; ctx.beginPath(); ctx.moveTo(jetStartX, jetStartY); ctx.quadraticCurveTo(jetStartX + 50, jetEndY, jetStartX + 100, jetEndY); ctx.stroke(); } // Update functions function updateObjects() { if (!simulation.breachActive) return; // Update water flow const waterHeightDiff = simulation.waterLevel - simulation.crackPosition; simulation.waterFlow = Math.max(0, waterHeightDiff * 0.05); // Reduce water level simulation.waterLevel -= simulation.waterFlow * 0.1; // Apply water flow to objects simulation.objects.forEach(obj => { if (obj.y + obj.size < simulation.waterLevel - 10) { // In water n if (obj.type === 'fish') { // Fish try to swim against current obj.vx = -simulation.waterFlow * 0.01 * (Math.random() - 0.5); } else if (obj.type === 'rock') { // Rocks sink obj.vy = simulation.gravity * simulation.waterDensity; } else if (obj.type === 'plant') { // Plants bend with current obj.vx = simulation.waterFlow * 0.005; } else if (obj.type === 'toy') { // Toy floats obj.vy = -simulation.gravity * simulation.waterDensity * 0.5; } } else { // Out of water if (obj.type === 'rock' || obj.type === 'toy') { obj.vy += simulation.gravity; } } // Apply drag obj.vx *= simulation.drag; obj.vy *= simulation.drag; // Update position obj.x += obj.vx; obj.y += obj.vy; // Boundary checks if (obj.x < 10 + obj.size) obj.x = 10 + obj.size; if (obj.x > canvas.width - 10 - obj.size) obj.x = canvas.width - 10 - obj.size; if (obj.y < 10 + obj.size) obj.y = 10 + obj.size; if (obj.y > simulation.floorLevel - obj.size) { obj.y = simulation.floorLevel - obj.size; obj.vy = 0; } }); // Update glass fragments simulation.glassFragments.forEach(fragment => { fragment.vy += simulation.gravity; fragment.vx *= simulation.drag; fragment.vy *= simulation.drag; fragment.angle += fragment.angularVelocity; fragment.x += fragment.vx; fragment.y += fragment.vy; // Boundary checks if (fragment.x < 0) { fragment.x = 0; fragment.vx = -fragment.vx * 0.5; } if (fragment.x > canvas.width) { fragment.x = canvas.width; fragment.vx = -fragment.vx * 0.5; } if (fragment.y < 0) { fragment.y = 0; fragment.vy = -fragment.vy * 0.5; } if (fragment.y > canvas.height) { fragment.y = canvas.height; fragment.vy = -fragment.vy * 0.5; [28 more lines in file. Use offset=500 to continue.]

assistant
→ edit {"path":"index.html","edits":[{"oldText":" if (obj.y + obj.size < simulation.waterLevel - 10) {\n // In wa
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ browser {"action":"reload"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The app is now rendering the initial scene correctly, showing the tank with water, fish, rocks, plants, and a toy. Let's verify the core functionality by testing the following: 1. **Drag the crack vertically** to set its position. 2. **Click "Breach"** to simulate the breach. 3. **Check the water jet** to ensure it curves downward and the water level falls. 4. **Observe objects** to see if they respond to the current (e.g., fish swimming against it, rocks sinking, toy floating). 5. **Check the puddle** forming outside the tank. 6. **Click "Reset"** to restore the initial scene. Let's proceed with these tests.

→ browser {"action":"click","x":400,"y":100}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The crack is not being dragged correctly. Let's fix the mouse event handling for dragging the crack and reload the page.

→ edit {"path":"index.html","edits":[{"oldText":"canvas.addEventListener('mousedown', function(e) {\n const rect = canvas.getBoundingCli
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ browser {"action":"reload"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The crack is still not visible for dragging. Let's ensure the crack is drawn correctly and fix the mouse event logic to properly detect and drag the crack. I'll refine the drawing and event handling.

→ edit {"path":"index.html","edits":[{"oldText":"function drawCrack() {\n ctx.strokeStyle = '#ff0000';\n ctx.lineWidth = 10;\
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ edit {"path":"index.html","edits":[{"oldText":"canvas.addEventListener('mousedown', function(e) {\n const rect = canvas.getBoundingCli
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ browser {"action":"reload"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The crack indicator is still not visible. Let's ensure the crack is drawn at the correct position and make sure the drag indicator is visible. I'll adjust the drawing logic to ensure the crack is visible and correctly positioned.

→ edit {"path":"index.html","edits":[{"oldText":"function drawCrack() {\n ctx.strokeStyle = '#ff0000';\n ctx.lineWidth = 10;\
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ browser {"action":"reload"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The crack indicator is still not visible at the correct position. Let's fix the drawing logic to ensure the crack is drawn at the correct vertical position and make sure the drag indicator is visible and interactive. I'll adjust the drawing and event handling once more.

→ edit {"path":"index.html","edits":[{"oldText":"function drawCrack() {\n ctx.strokeStyle = '#ff0000';\n ctx.lineWidth = 10;\
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ edit {"path":"index.html","edits":[{"oldText":"canvas.addEventListener('mousedown', function(e) {\n const rect = canvas.getBoundingCli
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ edit {"path":"index.html","edits":[{"oldText":"function drawCrack() {\n // Draw crack line at the correct vertical position\n
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ edit {"path":"index.html","edits":[{"oldText":"function drawCrack() {\n // Draw crack line at the correct vertical position\n
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ edit {"path":"index.html","edits":[{"oldText":"canvas.addEventListener('mousedown', function(e) {\n const rect = canvas.getBoundingCli
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ browser {"action":"reload"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The crack line is still not visible. Let's simplify the approach and ensure the crack is drawn correctly by adjusting the drawing logic and mouse event handling. I'll make sure the crack is drawn at the correct position and ensure the drag functionality works properly.

→ edit {"path":"index.html","edits":[{"oldText":"function drawCrack() {\n // Draw crack line at the correct vertical position\n
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ edit {"path":"index.html","edits":[{"oldText":"canvas.addEventListener('mousedown', function(e) {\n const rect = canvas.getBoundingCli
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ browser {"action":"reload"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant

The red dot for the crack is still not visible. Let's simplify the drawing logic and ensure the crack line is drawn correctly at the intended position. I'll adjust the drawing logic and mouse event handling to ensure the crack is visible and draggable.

→ edit {"path":"index.html","edits":[{"oldText":"function drawCrack() {\n // Draw crack line at the correct vertical position\n
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ edit {"path":"index.html","edits":[{"oldText":"canvas.addEventListener('mousedown', function(e) {\n const rect = canvas.getBoundingCli
toolResult

Successfully replaced 1 block(s) in index.html.

assistant
→ browser {"action":"reload"}
toolResult

Frame 1, +0ms

[Browser image supplied to model]

{"console":["warning: An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing."],"dom":"Drag crack vertically to set position:\nCurrent crack position: 300\nBreach\nReset\nReady","images":"attached"}

assistant
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